An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.
Dept. of the Navy 
Spain 
Australia 
Canada Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 6320-01-462-2295
NSN 5990-01-386-5561
NSN 5920-00-267-3109
NSN 5950-01-380-2688
NSN 5998-01-446-6333
NSN 6220-01-193-4960
NSN 5920-00-954-7270
NSN 6610-00-466-3104
NSN 5950-01-327-2230
NSN 5835-01-631-3940
NSN 5960-00-994-4452
NSN 6145-01-341-4888